Lemmy Lemmy:
How much of Tebow's fall is ability-based and how much is personality-based? From what I understand, Tebow's biggest problem is his unwillingness to keep his religious views to himself. The other 44 players in the dressing room don't want their place of employment turned into an evangelist's soapbox. Ditto for Cory Boyd and his departure from the Argos.
It's all based on ability - Tebow just doesn't have a good enough arm to be a QB, either in the NFL or CFL. As Moon noted, in the CFL it's mostly passing, and if you're best skill is running the ball, as a QB here, you aren't going to cut it.
Who knows, maybe he could go to the Arena League - Kurt Warner and a few others spent time there honing their skills until they were good enough to play in the NFL.
As for his religious beliefs, I have no doubt that it pisses off some of his fellow players, but probably not enough to make much of a difference. Hell, lots of NFL football players thank God for letting them score a touchdown or make an INT.